LeetCode 0007 - Reverse Integer

Contents

Reverse Integer

Desicription

Given a 32-bit signed integer, reverse digits of an integer.

Example 1:

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Input: 123

Output: 321

Example 2:

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Input: -123

Output: -321

Example 3:

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Input: 120

Output: 21

Note:

Assume we are dealing with an environment which could only hold integers within the 32-bit signed integer range. For the purpose of this problem, assume that your function returns 0 when the reversed integer overflows.